The story begins with the Emperor suspecting that someone in the court is colluding with Fuso to attempt treason, so he sends Bao Zheng to continue investigating the case as a spy, which leads to a series of confusing, bizarre and strange cases. The story tells the story of Bao Zheng, played by Sammul Chan, who counters each move and finally uncovers the mastermind behind the scenes and safeguards the safety of the country and the people.